The term SEA BETWEEN SWEDEN AND POLAND is the BALTIC Sea, which is a brackish inland sea located in Northern Europe. It is bordered by Sweden, Finland, Estonia, Latvia, Lithuania, Poland, Germany, and Denmark. The BALTIC Sea covers an area of about 415, 000 square kilometers and has an average depth of 55 meters. It is connected to the North Sea via the Kattegat and Skagerrak straits. The BALTIC Sea is an important source of fish and other marine life, and it is also a popular destination for recreational activities such as sailing and swimming.